lol tune out all the clueless people?
OP is clueless himself and is too lazy to spend his own time researching to find out its obviously a bad idea to get involved because of a distorted perception caused by the recent spike in mining profitability, much less come up with his own opinion.
ask yourself this simple question: are you ok with making nowhere near the returns we've seen and don't mind doing it as a hobby? if so, then dive right in. Because you are LATE.
But if this endeavor was something you were really passionate about you'd have spent your own precious time on due diligence to arrive at this conclusion.
Of course this is not the case. You are just a lazy johnny come lately who thinks he can shortcut and leapfrog off other people's time and efforts, expecting others to serve you useful information on a silver platter.
Lump me into the angry reply category because you had to mention you preordered gpus and now thinking about cancelling it. That is infuriating!
Either get up to par and realize there's no easy money in this or accept that you are always a step behind and consider it reasonable to receive poor results from your lazy efforts.